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53.Array_Map Function.php
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53.Array_Map Function.php
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<?php
echo "<u>array_map 1</u> <br>";
$a = [1, 2, 3, 4, 5];
$newArray = array_map('square' ,$a);
echo "<pre>";
print_r ($newArray);
echo "</pre>";
function square($value){
return $value * $value;
}
echo "<br>";
echo "<br>";
//
echo "<u>array_map 2</u> <br>";
$a = [1, 2, 3, 4, 5];
$b = ['red', 'green', 'yellow', 'blue', 'cyan'];
$newArray = array_map('sq' , $a , $b);
echo "<pre>";
print_r ($newArray);
echo "</pre>";
function sq($value1, $value2){
return "$value1 for $value2";
}
//
echo "<br>";
echo "<br>";
//
echo "<u>array_map 3</u> <br>";
$a = [1, 2, 3, 4, 5];
$b = ['red', 'green', 'yellow', 'blue', 'cyan'];
$newArray = array_map('squ' , $a , $b);
echo "<pre>";
print_r ($newArray);
echo "</pre>";
function squ($value1, $value2){
return [$value1 => $value2];
}
echo "<br>";
echo "<br>";
//
echo "<u>array_map 4</u><br>";
$color = array(
"a"=> "red",
"b" => "green",
"c" => "blue"
);
$newArray = array_map('squr' ,$color);
echo "<pre>";
print_r ($newArray);
echo "</pre>";
function squr($value){
return strtoupper($value);
}
?>